Test Details
Mnemonic
ARIX
Ordering Code
3423100
CPT-4 Code(s)
80299
Specimen Information
Patient Preparation
This test is only valid for monitoring patients on Arixtra, not unfractionated heparin or low molecular weight heparin.
Collect
Light blue 3.2 % sodium citrate
Specimen Preparation
See appendices for coagulation test collection instructions. Send 1.0 mL plasma in a screw capped plastic vial.
Minimum Volume
0.5 mL
Transport Temperature
Frozen
Rejection Criteria
Specimens received room temperature or refrigerated
Stability
Room temperature: 8 hours
Refrigerated: 24 hours
Frozen: 21 days
Refrigerated: 24 hours
Frozen: 21 days
Methodology
Anti-Xa Chromogenic
Reference Range
See report
Performing Laboratory
Quest SJC
New York DOH Approval Status
Yes